Meaning & use

promisor

noun·Advancedlegallawformal

Last updated

UK/prəˈmaɪzə/
US/ˌprɑːməˈsɔːr/

Meanings

  1. nouncountablelegallaw

    A person who makes a legally binding promise to another person.

    Grammar: Countable; often followed by 'to' plus the other party: a promisor to the buyer.

    Patterns

    • the promisor
    • a promisor to someone
    • the promisor and the promisee

    Under the contract, the promisor must deliver the goods by June.

    If the promisor fails to pay, the other party can sue for damages.

    The court asked whether the promisor had intended to be legally bound.

  2. nouncountableformal

    In general use, anyone who makes a promise, whether or not it is legally enforceable.

    Grammar: Used in formal writing about promises; everyday speech prefers 'the person who promised'.

    Patterns

    • a promisor
    • the promisor of something

    Every promisor hopes the other side will keep their word.

    The letter named her as the promisor of the loan.

Word forms

pluralpromisors

Common combinations

the promisor's obligation
The promisor's obligation ends when the payment clears.
bind the promisor
A signed deed binds the promisor even without payment.
promisor and promisee
Both the promisor and the promisee signed the agreement.
the promisor fails to perform
If the promisor fails to perform, the contract may be ended.

Synonyms and how they differ

obligor
A close legal synonym, but it stresses the duty owed rather than the promise made.
guarantor
A guarantor promises to pay someone else's debt, which is a narrower role than a promisor.
promise-maker
A plain, informal way of saying the same thing; not used in legal documents.

Opposites

Word family

promise noun
A statement that you will do something; the act behind the promisor's role.
promisee noun
The person who receives the promise, the opposite party in the contract.
promissory adjective
Describing a promise, as in a promissory note.

Commonly confused: promisor or promisee? promisor or promissory?

promisor vs promisee

The promisee receives the promise, while the promisor makes it. The -or ending marks the doer, as in employer, and -ee marks the receiver, as in employee.

promisor vs promissory

This is an adjective describing a promise; promisor is the person who makes it.

Practice

In a contract, who is the promisor?

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